Hadith
أَخْبَرَنَا كَثِيرُ بْنُ عُبَيْدٍ، قَالَ حَدَّثَنَا مُحَمَّدُ بْنُ حَرْبٍ، عَنِ الزُّبَيْدِيِّ، عَنِ الزُّهْرِيِّ، عَنْ حُمَيْدِ بْنِ عَبْدِ الرَّحْمَنِ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " مَنْ حَلَفَ مِنْكُمْ فَقَالَ بِاللاَّتِ فَلْيَقُلْ لاَ إِلَهَ إِلاَّ اللَّهُ وَمَنْ قَالَ لِصَاحِبِهِ تَعَالَ أُقَامِرْكَ فَلْيَتَصَدَّقْ " .
It was narrated that Abu Hurairah said:"The Messenger of Allah said: 'Whoever among you swears and says: By Al-Lat, let him say: La ilaha illallah (There is none worthy of worship except Allah). And whoever says to his companion: Come, let us gamble, then let him give in charity
Sahih · Abu Ghuddah
Sunan an-Nasa'i 3775 ·Book 35, Hadith 15·Also available on sunnah.com·